From 9212ad7c7f8d478a427e70893cf9d5de91a9f81f Mon Sep 17 00:00:00 2001
From: William Banfield <wbanfield@gmail.com>
Date: Fri, 23 Jul 2021 18:05:55 -0400
Subject: [PATCH] fix for single element json array

---
 test/fuzz/rpc/jsonrpc/server/handler.go                     | 6 +++---
 .../testdata/1184f5b8d4b6dd08709cf1513f26744167065e0d       | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)
 create mode 100644 test/fuzz/rpc/jsonrpc/server/testdata/1184f5b8d4b6dd08709cf1513f26744167065e0d

diff --git a/test/fuzz/rpc/jsonrpc/server/handler.go b/test/fuzz/rpc/jsonrpc/server/handler.go
index 79ac30dc5..c30a8890c 100644
--- a/test/fuzz/rpc/jsonrpc/server/handler.go
+++ b/test/fuzz/rpc/jsonrpc/server/handler.go
@@ -43,7 +43,7 @@ func Fuzz(data []byte) int {
 		return 1
 	}
 
-	if inputJSONIsSlice(data) {
+	if inputJSONIsMultiElementSlice(data) {
 		recv := []types.RPCResponse{}
 		if err := json.Unmarshal(blob, &recv); err != nil {
 			panic(err)
@@ -57,8 +57,8 @@ func Fuzz(data []byte) int {
 	return 1
 }
 
-func inputJSONIsSlice(input []byte) bool {
+func inputJSONIsMultiElementSlice(input []byte) bool {
 	slice := []interface{}{}
 	err := json.Unmarshal(input, &slice)
-	return err == nil
+	return err == nil && len(slice) > 1
 }
diff --git a/test/fuzz/rpc/jsonrpc/server/testdata/1184f5b8d4b6dd08709cf1513f26744167065e0d b/test/fuzz/rpc/jsonrpc/server/testdata/1184f5b8d4b6dd08709cf1513f26744167065e0d
new file mode 100644
index 000000000..6e7ea636e
--- /dev/null
+++ b/test/fuzz/rpc/jsonrpc/server/testdata/1184f5b8d4b6dd08709cf1513f26744167065e0d
@@ -0,0 +1 @@
+[0]
\ No newline at end of file